![Round Chuck Jaws - Northfield Type Chucks - Chuck Size 4" inches - Part # RNF-4100S - Top Tool & Supply](http://toptoolandsupply.com/cdn/shop/products/north-round_54dfee55-276d-4455-a6b4-94dda20b5f65_1024x1024.jpg?v=1586396706)
Round Chuck Jaws - Northfield Type Chucks - Chuck Size 4" inches - Part # RNF-4100S
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